You're not alone because billions of individuals have endured this common reaction called sphenopalatine ganglioneuralgia.    From Wordnik.com.  [Brain Blogger] Reference

Plus, sphenopalatine ganglioneuralgia (brain freeze).    From Wordnik.com.  [The Cold, Hard Data of Soda Ice] Reference

No one really knows why, but scientists think that stabbed-in-the-forehead feeling (sphenopalatine ganglioneuralgia) occurs when the temperature of your palate doesn't have time to normalize between spoonfuls of flavored ice.    From Wordnik.com.  [How To: Land a Plane, Cure Brain Freeze, Get on Reality TV] Reference

A: Doctors call brain freeze sphenopalatine ganglioneuralgia.    From Wordnik.com.  [The Seattle Times] Reference

Alveolar branches of superior maxillary nerve and sphenopalatine ganglion.    From Wordnik.com.  [Illustrations. Fig. 779] Reference

With the sphenopalatine ganglion by the greater superficial petrosal nerve.    From Wordnik.com.  [IX. Neurology. 5g. The Facial Nerve] Reference

Sympathetic connections of the sphenopalatine and superior cervical ganglia.    From Wordnik.com.  [Illustrations. Fig. 841] Reference

The dog days of summer mark the high season for sphenopalatine ganglioneuralgia.    From Wordnik.com.  [msnbc.com: Top msnbc.com headlines] Reference

The nerves are derived from the sphenopalatine ganglion, and from the glossopharyngeal.    From Wordnik.com.  [XI. Splanchnology. 2b. The Fauces] Reference

Most of their fibers are derived from the sphenopalatine branches of the maxillary nerve.    From Wordnik.com.  [IX. Neurology. 5e. The Trigeminal Nerve] Reference

The orbital and sphenoidal processes are separated from one another by the sphenopalatine notch.    From Wordnik.com.  [II. Osteology. 5b. 5. The Palatine Bone] Reference

The sphenopalatine Branches (nn. sphenopalatini), two in number, descend to the sphenopalatine ganglion.    From Wordnik.com.  [IX. Neurology. 5e. The Trigeminal Nerve] Reference

Some of the preganglionic fibers pass to the sphenopalatine ganglion via the great superficial petrosal nerve.    From Wordnik.com.  [IX. Neurology. 4e. Composition and Central Connections of the Spinal Nerves] Reference

According to Tiedemann, the ciliary ganglion receives a twig of communication from the sphenopalatine ganglion.    From Wordnik.com.  [IX. Neurology. 5e. The Trigeminal Nerve] Reference

On the medial wall is the sphenopalatine foramen, and below is the superior orifice of the pterygopalatine canal.    From Wordnik.com.  [II. Osteology. 5c. The Exterior of the Skull] Reference

The third or pterygopalatine portion lies in the pterygopalatine fossa in relation with the sphenopalatine ganglion.    From Wordnik.com.  [VI. The Arteries. 3a. 2. The External Carotid Artery] Reference

The fossa contains the maxillary nerve, the sphenopalatine ganglion, and the terminal part of the internal maxillary artery.    From Wordnik.com.  [II. Osteology. 5c. The Exterior of the Skull] Reference

These processes are separated by the sphenopalatine notch, which is converted into the sphenopalatine foramen by the under surface of the body of the sphenoid.    From Wordnik.com.  [II. Osteology. 5b. 5. The Palatine Bone] Reference

The position of the sphenopalatine ganglion is indicated from the side by a point on the upper border of the zygomatic arch, 6 mm. from the margin of the zygomatic bone.    From Wordnik.com.  [XII. Surface Anatomy and Surface Markings. 2. Surface Markings of Special Regions of the Head and Neck] Reference

The sphenopalatine Artery (a. sphenopalatina; nasopalatine artery) passes through the sphenopalatine foramen into the cavity of the nose, at the back part of the superior meatus.    From Wordnik.com.  [VI. The Arteries. 3a. 2. The External Carotid Artery] Reference

The ciliary ganglion is connected with the ophthalmic nerve; the sphenopalatine ganglion with the maxillary nerve; and the otic and submaxillary ganglia with the mandibular nerve.    From Wordnik.com.  [IX. Neurology. 5e. The Trigeminal Nerve] Reference

This fossa communicates with the orbit by the inferior orbital fissure, with the nasal cavity by the sphenopalatine foramen, and with the infratemporal fossa by the pterygomaxillary fissure.    From Wordnik.com.  [II. Osteology. 5c. The Exterior of the Skull] Reference

The nerve of the pterygoid canal supplies the upper and back part of the septum, and superior concha; and the upper nasal branches from the sphenopalatine ganglion have a similar distribution.    From Wordnik.com.  [X. The Organs of the Senses and the Common Integument. 1b. The Organ of Smell] Reference

—The sphenopalatine ganglion, the largest of the sympathetic ganglia associated with the branches of the trigeminal nerve, is deeply placed in the pterygopalatine fossa, close to the sphenopalatine foramen.    From Wordnik.com.  [IX. Neurology. 5e. The Trigeminal Nerve] Reference

Its sensory root is derived from two sphenopalatine branches of the maxillary nerve; their fibers, for the most part, pass directly into the palatine nerves; a few, however, enter the ganglion, constituting its sensory root.    From Wordnik.com.  [IX. Neurology. 5e. The Trigeminal Nerve] Reference

The lateral wall and the floor are separated posteriorly by the inferior orbital fissure which transmits the maxillary nerve and its zygomatic branch, the infraorbital vessels, and the ascending branches from the sphenopalatine ganglion.    From Wordnik.com.  [II. Osteology. 5c. The Exterior of the Skull] Reference

The ciliary, sphenopalatine, otic, and submaxillary ganglia which are found on the branches of the trigeminal nerve are formed by groups of cells which have migrated from the part of the neural crest which gives rise to the semilunar ganglion.    From Wordnik.com.  [IX. Neurology. 7. The Sympathetic Nerves] Reference

Thus it receives the sphenopalatine, the middle meningeal, the deep temporal, the pterygoid, masseteric, buccinator, alveolar, and some palatine veins, and a branch which communicates with the ophthalmic vein through the inferior orbital fissure.    From Wordnik.com.  [VII. The Veins. 3b. The Veins of the Head and Neck] Reference

The internal carotid plexus communicates with the semilunar ganglion, the abducent nerve, and the sphenopalatine ganglion; it distributes filaments to the wall of the carotid artery, and also communicates with the tympanic branch of the glossopharyngeal nerve.    From Wordnik.com.  [IX. Neurology. 7a. The Cephalic Portion of the Sympathetic System] Reference

It enters the nasal cavity through the sphenopalatine foramen, passes across the roof of the nasal cavity below the orifice of the sphenoidal sinus to reach the septum, and then runs obliquely downward and forward between the periosteum and mucous membrane of the lower part of the septum.    From Wordnik.com.  [IX. Neurology. 5e. The Trigeminal Nerve] Reference

780– The sphenopalatine ganglion and its branches.    From Wordnik.com.  [IX. Neurology. 5e. The Trigeminal Nerve] Reference

779– Alveolar branches of superior maxillary nerve and sphenopalatine ganglion.    From Wordnik.com.  [IX. Neurology. 5e. The Trigeminal Nerve] Reference

841– Sympathetic connections of the sphenopalatine and superior cervical ganglia.    From Wordnik.com.  [IX. Neurology. 7. The Sympathetic Nerves] Reference

The sphenopalatine ganglion and its branches.    From Wordnik.com.  [Illustrations. Fig. 780] Reference